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authorChris Wilson <chris@chris-wilson.co.uk>2010-12-16 21:02:15 +0000
committerChris Wilson <chris@chris-wilson.co.uk>2010-12-16 21:02:15 +0000
commitd8c58fabd75021cdd99abcd96513cb088d41092b (patch)
treef6554ecfb27c0d50f5ae6acae3a7077282813cab /drivers/gpu/drm/drm_crtc_helper.c
parent9c04f015ebc2cc2cca5a4a576deb82a311578edc (diff)
parentb08ebe7e776e5be0271ed1e1bbb384e1f29dd117 (diff)
Merge remote branch 'airlied/drm-core-next' into drm-intel-next
Diffstat (limited to 'drivers/gpu/drm/drm_crtc_helper.c')
-rw-r--r--drivers/gpu/drm/drm_crtc_helper.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c
index bede10a03407..c6b2e27a446a 100644
--- a/drivers/gpu/drm/drm_crtc_helper.c
+++ b/drivers/gpu/drm/drm_crtc_helper.c
@@ -336,7 +336,7 @@ bool drm_crtc_helper_set_mode(struct drm_crtc *crtc,
struct drm_framebuffer *old_fb)
{
struct drm_device *dev = crtc->dev;
- struct drm_display_mode *adjusted_mode, saved_mode;
+ struct drm_display_mode *adjusted_mode, saved_mode, saved_hwmode;
struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
struct drm_encoder_helper_funcs *encoder_funcs;
int saved_x, saved_y;
@@ -350,6 +350,7 @@ bool drm_crtc_helper_set_mode(struct drm_crtc *crtc,
if (!crtc->enabled)
return true;
+ saved_hwmode = crtc->hwmode;
saved_mode = crtc->mode;
saved_x = crtc->x;
saved_y = crtc->y;
@@ -427,11 +428,21 @@ bool drm_crtc_helper_set_mode(struct drm_crtc *crtc,
}
+ /* Store real post-adjustment hardware mode. */
+ crtc->hwmode = *adjusted_mode;
+
+ /* Calculate and store various constants which
+ * are later needed by vblank and swap-completion
+ * timestamping. They are derived from true hwmode.
+ */
+ drm_calc_timestamping_constants(crtc);
+
/* XXX free adjustedmode */
drm_mode_destroy(dev, adjusted_mode);
/* FIXME: add subpixel order */
done:
if (!ret) {
+ crtc->hwmode = saved_hwmode;
crtc->mode = saved_mode;
crtc->x = saved_x;
crtc->y = saved_y;